Keychron K1MAX Wireless Mechanical Keyboard User Guide

Keychron K1MAX Wireless Mechanical Keyboard

Product Information

Specifications:

• Model: Keychron K1 Max Wireless Mechanical Keyboard
• Included Items: Type-C Cable, Manual, Quick Start Guide, Extra Keycaps Set, Type-A to Type-C Adapter, Type-A 2.4GHz Receiver
• Wireless Connectivity: Bluetooth, 2.4GHz
• Compatibility: Mac, Windows
• Key Remapping Software: VIA Key Remapping Software
• Backlight: Adjustable brightness and speed
• Warranty: Parts replacement during the warranty period

Product Usage Instructions

Connect 2.4GHz Receiver
Connect the 2.4GHz receiver to the device’s USB port and switch the toggle to 2.4GHz mode.

Connect Bluetooth
Press fn + 1 (for 4 seconds) to pair with a device named Keychron K1 Max via Bluetooth.

Connect Cable
Connect the Type-C cable for wired connection when needed.

Switch To The Right System
Ensure the system toggle on the keyboard is set to match your computer’s operating system (Mac or Windows).

The VIA Key Remapping Software
Visit usevia.app to remap keys using the online VIA software. Ensure the keyboard is connected via wire for this function.

The Layers
Understand the four layers of key settings on the keyboard and activate the appropriate layer based on your system toggle (Mac or Windows).

The Backlight
Adjust the backlight settings using various key combinations to change lighting effects, turn on/off, adjust brightness, and speed.

Warranty
If any keyboard components are defective during the warranty period, only the defective parts will be replaced.

Factory Reset
To troubleshoot or factory reset the keyboard, follow the detailed steps provided in the manual including downloading firmware, using QMK Toolbox, and performing a factory reset with specific key combinations.

FAQ

• Q: How can I adjust the backlight brightness?
  A: Press fn + W to increase brightness or fn + S to decrease brightness.

• Q: Can I use the VIA Key Remapping Software wirelessly?
  A: No, VIA software only works when the keyboard is connected via wire to the computer.

WHAT’S INCLUDE

• Keychron K1 Max Wireless Mechanical Keyboard x 1
• Type-C Cable x 1
• Manual x 1
• Quick Start Guide x 1
• Extra Keycaps Set x 1
• Type-A to Type-C Adapter x 1
• Type-A 2.4GHz Receiver x 1

QUICK START GUIDE

If you are a Windows user, please find the appropriate keycaps in the box, then follow the instructions below to find and replace the following keycaps.

SPECIFICATIONS

• Number of keys: 87
• Switch type: Mechanical
• Battery: 2000mAh
• Charging time: Around 3 hours
• Charging port: USB Type-C
• Mode: Bluetooth / Wired / 2.4GHz
• Bluetooth operating distance: Within 10 meters (open space)
• Name of Bluetooth device: Keychron K1 Max

LED STATUS OVERVIEW

K1 MAX KEYBOARD OVERVIEW

DEFAULT KEY LAYOUT

LAYER 0: This layer will be activated when your keyboard’s system toggle is switched to Mac.

LAYER 1: This layer will be activated when your keyboard’s system toggle is switched to Mac and press the fn/MO(1) key.

LAYER 2: This layer will be activated when your keyboard’s system toggle is switched to Windows.

LAYER 3: This layer will be activated when your keyboard’s system toggle is switched to Windows and press the fn/MO(3) key.

KEY DESCRIPTION

FUNCTION DESCRIPTION

CHARGING
Plug the cable into a USB port and plug the other end into the keyboard port. Charging Indicator: A red light will stay on while charging; Fully charged in around 3 hours, a green battery indicator will appear.
*The K1 Max keyboard is compatible with all USB ports. Please use a 5V 1A adapter or USB 3.0 for the best performance. The K1 Max can be charged in 2.4GHz/Cable/Bluetooth mode.
**This product supports up to 5V charging voltage and 1A charging current. We are not responsible for any problems caused by improper charging.

2.4GHZ / CABLE / BLUETOOTH MODE (MODE TOGGLE SWITCH)

• 2.4GHZ MODE

1. Connect the 2.4GHz receiver to your device’s USB Port.
2. Switch the toggle switch to the 2.4GHz option. The keyboard will automatically connect to your device.  

*Press the key combination “fn” + “4” to enter the forced pairing mode. During this period, it is recommended that the keyboard be within 20cm of the receiver.

• BLUETOOTH MODE

1. Switch the toggle switch to the Bluetooth option.
2. Backlighting will be turned on.
3. Hold “fn+1” key for 4 seconds to activate Bluetooth pairing (the Bluetooth indicator fast flashes for 3 minutes to detect pairing).
4. Search for the Bluetooth device “Keychron K1 Max” on your device and connect it (the Bluetooth indicator goes off after successful pairing).  

Note: This keyboard supports pairing up to 3 devices simultaneously via key combination “fn” + “1” / “fn” + “2” / “fn” + “3”.
*The Bluetooth indicator will continue to flash for 3 minutes.
**Slow or failed connections may exist due to different Bluetooth versions, please make sure all the settings are correct.

• SWITCH BLUETOOTH DEVICES
  Short press key combination “fn” + “1” / “fn” + “2” / “fn” + “3” to switch to other device.

  • RECONNECT:
  1. Switch the keyboard to the Bluetooth option to activate the keyboard.
  2. The Bluetooth indicator flashes for 3 seconds and automatically pairs with the last paired device.
  3. If the Bluetooth indicator is off, press any button to enter the connection again.
     *The keyboard must have been paired with the device to perform this function.

• WIRED MODE

1. Switch the toggle switch to the Cable option.
2. Connect our cable with your PC and keyboard.
3. Backlighting will be turned on.  

*Under Wired Mode, keyboard will not enter into Battery Saver Mode.

• TURN OFF THE KEYBOARD
  Switch the keyboard to the Cable option and unplug the power cable.

• BACKLIGHT SETTING

  • Short press  to switch between different types of lighting effects.

• OS TOGGLE SWITCH

1.  **MAC/iOS**  

Switch the toggle to Mac/iOS when the keyboard is connected to a Mac or iOS operating system.

2.  **WINDOWS/ANDROID  

* Switch the toggle to Windows/Android when the keyboard is connected to a Windows or Android operating system.
When using the Windows/Android mode, keys are used for “Windows” and “Alt” functions.

3.  **INPUT METHOD SWITCH**
  *  **For iOS:**  

Input method switch: Ctrl + Space
Caps Lock: Caps (Enable General>Keyboards> Hardware Keyboard>Caps Lock Language Switch)

  *  **For Android:**  

Input method switch: Shift + Space
NOTE: Functions of certain multimedia key may be disabled due to compatibility, versions, brands and drivers of Windows/Android OS. We also recommend not to switch OS frequently as it may impact keyboard operations.

TROUBLESHOOTING

If unable to pair keyboard to device, confirm that the device you’re trying to pair with is Bluetooth-capable. If so, restart the device and try pairing it with the keyboard again.
Note: On a Windows computer, a new Bluetooth connection will sometimes require additional software updates— a process that may still be ongoing after a message appears indicating a successful completion. Wait at least 20 minutes after pairing to make sure all updates are completed before restarting the computer.

Confirm that the device is configured to accept Bluetooth connections (Windows) and supports ar external keyboard (HID profile).

• Go to Bluetooth Devices > Open Settings and select the following:
  • Allow Bluetooth devices to find this computer.
  • Allow Bluetooth devices to connect to this computer.
  • Alert me when a Bluetooth device wants to connect.

My keyboard isn’t working in Bluetooth mode.

• For the computer/smartphone:
  Go to your device Bluetooth settings>Select the keyboard and remove/delete/unpair it. Then restart your device.

• For the keyboard:
  Turn the keyboard off and back on. Then reconnect it to your device.

Bluetooth connection is interrupted even within 10 meters.
Check if the keyboard is resting on a metal surface that can interfere with the Bluetooth signal.

Third-party input tools are not compatible with the keyboard.
Due to compatibility, versions, brands and drivers of Windows/Android OS, functions of third-party input tools may be affected while using the keyboard. Please make sure your operating system and drivers are up to date.

Certain multimedia keys or function keys do not work.
Functions of certain multimedia keys may be disabled due to compatibility, versions, brands, and drivers of devices.

Safety Precaution:

• Keep the product, accessories and packaging parts out of the reach of children to prevent any accidents and choking hazards.
• Always keep the product dry to avoid corrosion.
• Do not expose the product to extreme temperatures below -10°C (5°F) or above 50°C (131°F) to preserve the lifespan of the keyboard and battery.

Keychron, Inc.
Dover, DE 19901, United States
Find us at:
https://www.keychron.com
Support@kevchron.com

FCC

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, under Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used by the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. Suppose this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on. In that case, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

This device and its antenna(s) must not be co-located or operation in conjunction with any other antenna or transmitter.

Radiation Exposure Statement
The device has been evaluated to meet general RF exposure requirement in portable exposure condition without restriction.

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